<?php

class SiteController extends Controller {
	public function filters() {
		return array(
			'accessControl', // perform access control for CRUD operations
		);
	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
	public function accessRules() {
		return array(
			array(
				'allow',
				// allow all users to perform 'index' and 'view' actions
				'actions' => array(
					'login',
					'error',
					'captcha'
				),
				'users' => array(
					'*'
				),
			),
			array(
				'allow',
				// allow admin user to perform 'admin' and 'delete' actions
				'actions' => array(
					'index',
					'statistics',
					'logout',
					'barcode'
				),
				'users' => array(
					'@'
				),
			),
			array(
				'deny',
				// deny all users
				'users' => array(
					'*'
				),
			),
		);
	}

	/**
	 * Declares class-based actions.
	 */

	public function actions() {
		return array(
			// captcha action renders the CAPTCHA image displayed on the contact page
			'captcha' => array(
				'class' => 'CCaptchaAction',
				'backColor' => 0xe7eff8,
			),
			// page action renders "static" pages stored under 'protected/views/site/pages'
			// They can be accessed via: index.php?r=site/page&view=FileName
			'page' => array(
				'class' => 'CViewAction',
			),
		);
	}

	/**
	 * This is the default 'index' action that is invoked
	 * when an action is not explicitly requested by users.
	 */

	public function actionIndex() {
		// renders the view file 'protected/views/site/index.php'
		// using the default layout 'protected/views/layouts/main.php'
		$this->render('index');
	}

	public function actionStatistics() {
		$this->render('statistics');
	}

	/**
	 * This is the action to handle external exceptions.
	 */

	public function actionError() {
		if ($error = Yii::app()->errorHandler->error) {
			if (Yii::app()->request->isAjaxRequest)
				echo $error['message'];
			else
				$this->render('error', $error);
		}
	}

	/**
	 * Displays the contact page
	 */

	public function actionContact() {
		$model = new ContactForm;
		if (isset($_POST['ContactForm'])) {
			$model->attributes = $_POST['ContactForm'];
			if ($model->validate()) {
				$headers = "From: {$model->email}\r\nReply-To: {$model->email}";
				mail(Yii::app()->params['adminEmail'], $model->subject, $model->body, $headers);
				Yii::app()->user
					->setFlash('contact',
						'Thank you for contacting us. We will respond to you as soon as possible.');
				$this->refresh();
			}
		}
		$this->render('contact', array(
				'model' => $model
			));
	}

	/**
	 * Displays the login page
	 */

	public function actionLogin() {
		$model = new LoginForm;

		// if it is ajax validation request
		if (isset($_POST['ajax']) && $_POST['ajax'] === 'login-form') {
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}

		// collect user input data
		if (isset($_POST['LoginForm'])) {
			$model->attributes = $_POST['LoginForm'];
			// validate user input and redirect to the previous page if valid
			if ($model->validate() && $model->login())
				$this->redirect(Yii::app()->user->returnUrl);
		}
		// display the login form
		$this->render('login', array(
				'model' => $model
			));
	}

	public function actionBarcode($id) {
		Yii::app()->codeManager->redirect($id);
	}

	/**
	 * Logs out the current user and redirect to homepage.
	 */

	public function actionLogout() {
		Yii::app()->user->logout();
		$this->redirect(Yii::app()->homeUrl);
	}
}
